AC0HS is an ARRL-affiliated club at Centennial High School in Ankeny, Iowa, approximately 15 miles north of Des Moines. The club serves students, alumni, staff, and local youth groups. Past highlights of the club's activities are described on the AC0HS QRZ.com page and include the following: operating in eavery ARRL School Club Round up since the club's founding in2013, participating in STEM festivals, organizing and hosting amateur radio events for scout groups, and more.